Concrete insert



March 12, 1929. L. R. ZIFFERER CONCRETE INSERT Filed June 18, 1927 atented Mar. 12, 1929.

UNITED STATES PATENT GFFICEa LOTHAR R. ZIFFERER, OF COLUMBIA, PENNSYLVANIA.

CONCRETE NSERT.

Application filed June 18, 1927. Serial No. 199307.

Thi@ invention relates to :i Contrete ineiert, ln thi#l manner, the ,'hzunher l() wherein the with whii'h le :vesoeizitml un :adjustable 't'zwnnt is vontinesl ie; otl'ettively protected. ly lening means. For its olijefft-s niy invention the me ot' inailf: or other equivalent devise@ 50 :iimsto provide :i leviee o1" thi4 ehnrzn'ter driven into the torni lioaml through thi.x lugs whieli is s rougi: simple, :intl easily proihnetl; ttl, tl e inet-rt muy ne zieein'utely entered in :unl one xxherein the :i-tljiietuhle fastening ite iii einleilpossition.

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mennev thoroughlv protemetl hiring the lt will he apparent that the insert so proemnrete pouring operation whieh Secures the rnleil 'will he firmly.' :i ielioretl zitter the (foin 55 inserti@ pkw?. @rete has wat. Upon removal ot the torni 11) he threaded into thy 1 `it 'tor ltl A suggestive embodiment of in v invention hoziiile 19 i 1| i trete. 'hisholtnmjy f h zw :i l

i i is set torth in the :u'ifonipnnying tiran-fing :ttznO-lnnentth herein- Bwion with Figure l is :i rertiezil Section through the hzanger 2t) Si; "wrting :i pipe 2l. l insert in its entiretyv shown in position atljzi- DLIUPGX'tQtl, :f1 inniteil :nljustinent of t, io mit eentt'orln boartlh prior to their being rele'pio'itletl or @ne to its sliding n'i'mnting nioveil tron'lthe Concrete existing; Within the inwrt chamber. ln any Selected Fig- 2 a hmmm plan View 0f ih@ iugm-t; pofeition ot' ziflinntnient the mit may he locked Fig. 3 is :i transvewe Seetion therethrough hy turningthe holt siitliiiently to present its 65 token on lino ot Fig. 2; uml th pressure against the tffp or hoek any (levfirell olriert7 :'-fiie i ien so 60 Fifi. t is :i central rertiwil section through ll 5 ot! the infsert.

Y' nu Y v the nwert and surrounding conci-ete casting', the Sti'liift'ire )Het deeeriheil almost I k Vv l I 1 Y l showingfzi Supporting'(leriee attached thereto. nhmlj von( enleil when place/il in use. tnly The present ineert may Qonist of a metal bhf Casting formed to or 'viale a top or hack will will 1H mrrounoed from which ilenenil Hille and entl Walls 6 l? Whffh define@ in e :intl T, respectively. Fxtentling invarilly pltthl tothe effe. from theme lutter wille ire flanges S which l f n: deliehetiif= Ynthem:melongntetl Stott). lellli'l'et i1-1elt l1oli1 \.\'e l to provide s1 tween the tung-1s Uitl the lim-k will. 5 is a ii'lxi'sh i@ "nelowozl on all sides except elminher itl herein iseontinoil :unit llwhisfh 'telve thereof whesein is torinerl :in

.fll pertion of one are reiniinf; Yisille 70 i l nnirgrilnil thun' left ai panel that it:

iwi iliwygfngly o provide legs l2 whit'h terinde-xl ultiem-4 ot the mit. :i holt having :L minzlte in 'toet H. reinforvingf Vibe l5 :uhling ""'`t""ftiw'ltlttl tmfltt'tltVU With til@ mit? liltl thereto :i limi-eil Strength, In 1d/dition I a\tinlle l ther/strom through the slot :intl :l provide hi t'iirezttml lugs lt outwardly LXteinli i il i wl in opposite liiei'tioiw troni the sith walls# t. :unl jpi'etm'zllrly tl :rsh with the thine-"ft 8 thereof. fx marginal lih ll' extends: :ironml the ins-=eVt lwifvr oi' tron* tzne \\hi h if; tornwtl li), thl tlA iw 2%.

lhiriing netntlatioo the innert ir; arranged :nlizxcenl torni liozll'ils '18, am shown in Figi. l. with it ribs 1T suoli; into the form sutl'ie tty to provide a seal against the seepage ot' water r loose material when the concrete is poured. LOTHR R, ZHVFE IER.

rtf rih extending e www :nul mlnglt- 8" i Tin-:lill .vhvrvfvi to moulding otE ,fi` ninth the nm 'inni front 'tL n inane] elm' the ho.'4

i on reniovzil of the i, :Gally is describe/tl.

Y ot wherein 

